| DISABLE_MESSAGEPACK | - | Whether to disable using messagepack as [parser](https://socket.io/docs/v4/custom-parser/) for socketio in openapi, if "1" or "true" turn off this method |
| DISABLE_LOGGER | - | Whether to disable the log output, if "1" or "true" turn off the log on the fly |
| DISABLE_TRACING | - | Whether to disable the Tracing function (enabling it can save a lot of logs), if "1" or "true" turn off the log on the fly |
| DISABLE_USER_REGISTER | - | Whether to disable the user register, if "1" or "true" turn off this method |
| DISABLE_GUEST_LOGIN | - | Whether to disable the guest login, if "1" or "true" turn off this method |
| DISABLE_CREATE_GROUP | - | Whether to disable user create group, if "1" or "true" turn off this method |